On a quiet winter night, a bizarre snowman murder shocked the entire city.The crime occurred in a remote forest area. When the victim was found, his body was covered with thick snow, as if he was a carefully arranged snowman.What's even more surprising is that there are almost no valuable clues at the scene except for a note saying “Please come and catch me”.The murderer seemed to be a ghost, perfectly avoiding all detection methods, putting the police into an unprecedented dilemma.

In order to solve this strange case, the leadership of the police force decided to invite the detective Yan Liang who has been dormant for many years.Yan Liang is well-known in the police community for his keen observation and extraordinary reasoning ability. Although he has chosen to retire in recent years, this time he received the order and returned to the front line of criminal investigation without hesitation.

At the same time, in another corner of the city, trainee lawyer Guo Yu was caught in a complex debt dispute.He accidentally met his first love girlfriend Zhu Huiru, who was behind bars for being involved in gang debts.Seeing Zhu Huiru's predicament, Guo Yu's old feelings rekindled and he decided to lend a helping hand.However, what he didn't know was that this move would involve him in a more complicated trouble.

In the process of helping Zhu Huiru, Guo Yu gradually discovered that this debt dispute was not simple, and there was a deeper conspiracy hidden behind it.He conducted an in-depth investigation and found that both he and Zhu Huiru had become the targets of a mysterious force.And this force is actually inextricably linked to the “Snowman Murder Case”.

In the process of investigating the Snowman Murder Case, Yan Liang gradually discovered the complex network hidden behind the case.He realized that this was not just a simple murder case, but a huge conspiracy involving gangs, power struggles and complex interpersonal relationships.Guo Yu and Zhu Huiru were the two chess pieces that inadvertently touched this huge network.